CN201341305Y

CN201341305Y - Rotary cultivator straight-type lawnmower

Info

Publication number: CN201341305Y
Application number: CNU200820199859XU
Authority: CN
Inventors: 王成
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-29
Filing date: 2008-11-29
Publication date: 2009-11-11
Anticipated expiration: 2018-11-29

Abstract

The utility model relates to a rotary cultivator straight-type lawnmower, relates to an accessory device on a rotary cultivator, which aims at solving the problems of the prior rotary cultivator that the grass is easy to be wound on the plough coulter shaft to influence the normal work of the rotary cultivator. The utility model provides a rotary cultivator straight-type lawnmower, which comprises a fixed sawtooth which is fixed on a plough coulter shaft in the axial direction and a movable sawtooth which is positioned on the plough coulter shaft and is closely matched with the fixed sawtooth; the plough coulter shaft is provided with a travel touch block, and the travel touch block is connected with the movable sawtooth through a connection wire, and a shell is provided with a travel blocking pin; when a contact of the travel touch block on the plough coulter shaft rotates to be contacted with the travel blocking pin, along the rotation of the travel touch block, the movable sawtooth can be pulled to slide in the direction towards a pivot shaft, so as to cut the grasses which are wound on the fixed sawtooth; and a return spring is arranged between the movable sawtooth and the outer end of the plough coulter shaft. The rotary cultivator straight-type lawnmower has simple structure and remarkable grass cutting effect.

Description

The straight formula grass cutter of a kind of rotovator

Technical field

The utility model belongs to the rotovator mechanical field, the auxiliary equipment on particularly a kind of rotovator.

Background technology

Rotovator is when farming, rotation along with coulter shaft, weeds between the field also can be gone up rotovator by volume and be wrapped on the coulter shaft, when the weeds of twining can have a strong impact on rotovator work more for a long time, cause coulter shaft to be twined consequences such as dead stall, existing some rotovator also is equipped with mowing-apparatus, but its mowing effect is undesirable, can not be effectively with the weeds excision that is wrapped on the coulter shaft.

The utility model content

Twine grass easily for solving on the existing rotovator coulter shaft, influence the problem of rotovator operate as normal, the utility model provides a kind of rotovator straight formula grass cutter, and its embodiment is as follows:

The straight formula grass cutter of a kind of rotovator comprises the fixedly sawtooth that is fixedly mounted on vertically on the rotovator coulter shaft, also is installed with vertically on the coulter shaft and the close-fitting movable sawtooth of stationary saw tooth bar;

The coulter shaft upper edge is axially installed with location-plate, locating slot is arranged on the location-plate, alignment pin runs through locating slot and can slide in locating slot, the alignment pin two ends are separately installed with inner slide and outer slide, inner slide and outer slide and location-plate closely cooperate, and alignment pin passes inner slide and is fixedly connected on the movable sawtooth;

On the coulter shaft between movable sawtooth inner termination and the rotovator casing pivot is arranged, the stroke contact block is installed on the pivot, the stroke contact block touches between tail and the movable sawtooth inner termination has wiring to be connected, and near on the rotovator casing of coulter shaft the stroke backing pin is arranged, and on the stroke contact block on the coulter shaft contact is arranged;

Between movable sawtooth and the coulter shaft external end head return spring is arranged.

The course of work of the straight formula grass cutter of this rotovator is as follows:

During the rotation of rotovator coulter shaft, be fixed on the also rotation thereupon of grass cutter on the coulter shaft, in cultivating procedure, weeds often turn to promptly along coulter shaft and radially are wrapped on the coulter shaft, also promptly radially be coated on fixedly on the sawtooth and movable sawtooth, when the stroke contact block on the coulter shaft rotates to when touching on the casing fixing stroke backing pin, rotation along with coulter shaft, stroke contact block contact is stirred by the stroke backing pin and is rotated, stroke contact block at the pivot other end touches also rotation thereupon of tail, and move by wiring pulling cordwood saw teeth directional stroke backing pin direction, because movable sawtooth, inner slide and outer slide all are fixedly mounted on the alignment pin, and inner slide and outer slide and location-plate closely cooperate, therefore movable sawtooth also is limited to be positioned on the coulter shaft, can only slide along certain vertical section of coulter shaft, in the process that cordwood saw teeth directional pivot direction is slided, by the movable sawtooth and the fixing shear action of sawtooth, the weeds that are wrapped on the fixing sawtooth are cut off.

Coulter shaft continues rotation, and stroke contact block contact and stroke backing pin break away from, and to coulter shaft external end head direction return, grass cutter is finished an impulse stroke to movable sawtooth under the effect of return spring.

The straight formula grass cutter of this rotovator is simple in structure, and the mowing effect is remarkable.

As further improvement of the utility model, on the coulter shaft between movable sawtooth and the pivot, thrust plate is arranged, described backguy is passed from thrust plate, and the compression spring is arranged between movable sawtooth and the thrust plate.Thrust when this design can increasing activity sawtooth return makes movable sawtooth easier return after cutting off weeds.

As further improvement of the utility model, vertically guide plate can be installed on the coulter shaft, there are gathering sill, guide pin to pass gathering sill on the guide plate and are fixed on the movable sawtooth.Can make the location of movable sawtooth on coulter shaft more accurate by guide plate.

As further improvement of the utility model, between inner slide and the movable sawtooth tensioning spring is arranged; The stroke contact block is folding shape, and this stroke contact block can cooperate better with casing, uses more convenient.

Description of drawings

Fig. 1 is the perspective view of the straight formula grass cutter of a kind of rotovator of the utility model.

Embodiment

The straight formula grass cutter of a kind of rotovator as shown in Figure 1 comprises the fixedly sawtooth 3 that is fixedly mounted on vertically on rotovator 22 coulter shaft 1, also is installed with vertically on the coulter shaft 1 and fixing sawtooth 3 close-fitting movable sawtooth 2;

Coulter shaft 1 upper edge is axially installed with location-plate 21, locating slot 19 is arranged on the location-plate 21, alignment pin 5 runs through locating slot 19 and can slide in locating slot 19, alignment pin 5 two ends are separately installed with inner slide 6 and outer slide 20, inner slide 6 and outer slide 20 closely cooperate with location-plate 21, alignment pin 5 passes inner slide 6 and is fixedly connected on the movable sawtooth 2, between inner slide 6 and the movable sawtooth 2 tensioning spring is arranged;

On the coulter shaft 1 between movable sawtooth 2 inner termination and rotovator 22 casings 15 pivot 11 is arranged, folding shape stroke contact block 12 is installed on the pivot 11, touching between tail 10 and movable sawtooth 2 inner termination of stroke contact block 12 has wiring 8 to be connected, near on rotovator 22 casings 15 of coulter shaft 1 stroke backing pin 14 is arranged, when the contact 13 of the stroke contact block 12 on the coulter shaft 1 rotates to when touching stroke backing pin 14, rotation along with stroke contact block 14, can pulling activity sawtooth 2 slide, thereby the weeds that will be wrapped on the fixing sawtooth 3 are cut off to pivot 11 directions; Between movable sawtooth 2 and coulter shaft 1 external end head return spring 4 is arranged.

On the coulter shaft 1 between movable sawtooth 2 and the pivot 11 thrust plate 9 is arranged, backguy 8 is passed from thrust plate 9, and compression spring 7 is arranged between movable sawtooth 2 and the thrust plate 9.Coulter shaft 1 upper edge is axially installed with guide plate 16, and gathering sill 17 is arranged on the guide plate 16, and guide pin 18 passes gathering sill 17 and is fixed on the movable sawtooth 2.

Claims

1, the straight formula grass cutter of a kind of rotovator is characterized in that:

This grass cutter comprises the fixedly sawtooth (3) that is fixedly mounted on vertically on rotovator (22) coulter shaft (1), also is installed with vertically on the coulter shaft (1) and the fixing close-fitting movable sawtooth of sawtooth (3) (2);

Coulter shaft (1) upper edge is axially installed with location-plate (21), locating slot (19) is arranged on the location-plate (21), alignment pin (5) runs through locating slot (19) and can slide in locating slot (19), alignment pin (5) two ends are separately installed with inner slide (6) and outer slide (20), inner slide (6) and outer slide (20) closely cooperate with location-plate (21), and alignment pin (5) passes inner slide (6) and is fixedly connected on the movable sawtooth (2);

On the coulter shaft (1) between movable sawtooth (2) inner termination and rotovator (22) casing (15) pivot (11) is arranged, stroke contact block (12) is installed on the pivot (11), touching between tail (10) and movable sawtooth (2) inner termination of stroke contact block (12) has wiring (8) to be connected, near on rotovator (22) casing (15) of coulter shaft (1) stroke backing pin (14) is arranged, on the stroke contact block (12) on the coulter shaft (1) contact (13) is arranged;

Between movable sawtooth (2) and coulter shaft (1) external end head return spring (4) is arranged.

2, the straight formula grass cutter of a kind of rotovator according to claim 1, it is characterized in that: being positioned on the coulter shaft (1) between described movable sawtooth (2) and the pivot (11) has thrust plate (9), described backguy (8) is passed from thrust plate (9), between movable sawtooth (2) and the thrust plate (9) compression spring (7) is arranged.

3, the straight formula grass cutter of a kind of rotovator according to claim 2, it is characterized in that: described coulter shaft (1) upper edge is axially installed with guide plate (16), gathering sill (17) is arranged on the guide plate (16), and guide pin (18) passes gathering sill (17) and is fixed on the movable sawtooth (2).

4, the straight formula grass cutter of a kind of rotovator according to claim 3 is characterized in that: between described inner slide (6) and the movable sawtooth (2) tensioning spring is arranged; Described stroke contact block (12) is folding shape.